Re: [RFC PATCH 8/8] fs/xfs: support dedupe for fsdax

[kbuild test robot <lkp@intel.com>]

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Hi Shiyang,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on xfs-linux/for-next]
[also build test ERROR on linus/master v5.7-rc3 next-20200424]
[cannot apply to linux/master dgc-xfs/for-next]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Shiyang-Ruan/dax-Add-a-dax-rmap-tree-to-support-reflink/20200428-061856
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
config: mips-tb0287_defconfig (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mipsel-linux-ld: fs/xfs/xfs_reflink.o: in function `xfs_reflink_dedupe_file_range_compare':
>> xfs_reflink.c:(.text+0x22d4): undefined reference to `dax_file_range_compare'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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